Answer:
-7
Step-by-step explanation:
7 - (-4)= 11
+
3(-6)= -18
=-7
Each student would need to raise $27.56
Answer:
Denote AH as height of triangle ABC, with H lies on BC.
Applying sine theorem:
AH/AC = sin 60
=> AH = AC x sin 60 = 47 x sqrt(3)/2 = 40.7
=> Area of triangle ABC is calculated by:
A = AH x BC x (1/2) = 40.7 x 30 x (1/2) = 610.5 = ~611
=> Option C is correct.
Hope this helps!
:)
19200
just multiply 0.2 x 96,000